libcxx/test/std/time/time.traits/time.traits.is_fp/treat_as_floating_point.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <chrono>
  10
  11 // treat_as_floating_point
  12
  13 #include <chrono>
  14 #include <type_traits>
  15
  16 #include "test_macros.h"
  17
  18 template <class T>
  19 void
  20 test()
  21 {
  22     static_assert((std::is_base_of<std::is_floating_point<T>,
  23                                    std::chrono::treat_as_floating_point<T> >::value), "");
  24 #if TEST_STD_VER > 14
  25     static_assert(std::is_floating_point<T>::value ==
  26                                   std::chrono::treat_as_floating_point_v<T>, "");
  27 #endif
  28 }
  29
  30 struct A {};
  31
  32 int main(int, char**)
  33 {
  34     test<int>();
  35     test<unsigned>();
  36     test<char>();
  37     test<bool>();
  38     test<float>();
  39     test<double>();
  40     test<long double>();
  41     test<A>();
  42
  43   return 0;
  44 }